Granted Patent
Utility
US 5,601,583 · App. 08/388,992
Surgical instrument
Inventors:
John R. Donahue, Graham Smith
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Feb 15, 1995
Inventors
John R. Donahue
Graham Smith
Assignee (at issue)
Smith & Nephew Endoscopy Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.